Finding the Fourth Proportional to 2,623,444.62, 3,937,409.98 and 1,027,128.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,623,444.62 : 3,937,409.98 = 1,027,128.72 : x
2. Step 2: Convert to fraction form
   2,623,444.62/3,937,409.98 = 1,027,128.72/x
3. Step 3: Cross multiply
   2,623,444.62x = 3,937,409.98 × 1,027,128.72
4. Step 4: Simplify right side
   2,623,444.62x = 4,044,226,872,872.63
5. Step 5: Solve for x
   x = 4,044,226,872,872.63/2,623,444.62
6. Step 6: Final answer
   x = 1,541,571.28